^start of string
/?optionally matches the literal / (4710 / 578 / 2F16)
.*?any Unicode character (except for line terminators), repeated any number of times
/the literal / (4710 / 578 / 2F16)
\d+a Unicode decimal digit, repeated at least once
/?optionally matches the literal / (4710 / 578 / 2F16)
$end of string, or before its final line terminator
g modifier: global. Finds all matches instead of stopping after the first